|
|
|
2016 |
|
2015 |
|
||
|
|
|
(in thousands) |
|
||||
|
|
|
|
|
|
|
|
|
|
Mining equipment and processing facilities |
|
$ |
1,854,001 |
|
$ |
1,923,310 |
|
|
Land and mineral rights |
|
|
439,236 |
|
|
418,668 |
|
|
Buildings, office equipment and improvements |
|
|
304,696 |
|
|
291,106 |
|
|
Construction and mine development in progress |
|
|
26,025 |
|
|
94,482 |
|
|
Mine development costs |
|
|
297,030 |
|
|
316,694 |
|
|
Property, plant and equipment, at cost |
|
|
2,920,988 |
|
|
3,044,260 |
|
|
Less accumulated depreciation, depletion and amortization |
|
|
(1,335,145) |
|
|
(1,243,985) |
|
|
Total property, plant and equipment, net |
|
$ |
1,585,843 |
|
$ |
1,800,275 |
|